General assistance :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
New York,
1949.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/4DD34F4F-C7D9-4E66-B7B5-796EAEE5EEED |
| Published: | 1949. |
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